What is CVE-2025-38088?

CVE-2025-38088 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a Out-of-bounds Read flaw (CWE-125), affecting Linux kernel versions from 5.13 onward and patched in 5.15.186, 6.1.142, 6.6.94 and others. CVE-2025-38088 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-38088?

CVE-2025-38088 has a CVSS score of 7.1 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Is there a patch available for CVE-2025-38088?

Yes, CVE-2025-38088 has been patched. Fixed versions include 5.15.186, 6.1.142, 6.6.94 and others. If you are running Linux kernel 5.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-38088 actively exploited?

CVE-2025-38088 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/125.html

CVE-2025-38088

High

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap memtrace mmap issue has an out of bounds issue. This patch fixes the by checking that the requested mapping region size should stay within the allocated region size.

Package Linux Kernel

Published 2025-06-30

Last modified 2025-12-17

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Weakness type

CWE-125

CVE-2025-38088 is a Out-of-bounds Read vulnerability

What is Out-of-bounds Read?

The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.13 and later are affected. Fixed in 5.15.186, 6.1.142, 6.6.94, 6.12.34, 6.15.3, 6.16 and their respective stable series.

Affected from

≥ 5.13

Fixed in

✓ 5.15.186 5.15.x ✓ 6.1.142 6.1.x ✓ 6.6.94 6.6.x ✓ 6.12.34 6.12.x ✓ 6.15.3 6.15.x ✓ 6.16

References

7 total

Kernel Git
https://git.kernel.org/stable/c/620b77b23c41a6546e5548ffe2ea3ad71880dde4

Patch
Kernel Git
https://git.kernel.org/stable/c/81260c41b518b6f32c701425f1427562fa92f293

Patch
Kernel Git
https://git.kernel.org/stable/c/8635e325b85dfb9ddebdfaa6b5605d40d16cd147

Patch
Kernel Git
https://git.kernel.org/stable/c/9c340b56d60545e4a159e41523dd8b23f81d3261

Patch
Kernel Git
https://git.kernel.org/stable/c/bbd5a9ddb0f9750783a48a871c9e12c0b68c5f39

Patch

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2025-38088

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2025-06-30

Modified 2025-12-17

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2025-38088?

CVE-2025-38088 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . It affects Linux kernel versions from 5.13 onward and has been patched in 5.15.186, 6.1.142, 6.6.94 and others. CVE-2025-38088 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2025-38088?

CVE-2025-38088 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Is there a patch available for CVE-2025-38088?

Yes. CVE-2025-38088 has been patched. Fixed versions include 5.15.186, 6.1.142, 6.6.94 and others. If you are running Linux kernel 5.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-38088 actively exploited?

No. CVE-2025-38088 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.